US Patent 7282095 Silicon single crystal pulling method

Patent 7282095 was granted and assigned to SUMCO on October, 2007 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

SUMCO

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7282095

Date of Patent

October 16, 2007

Patent Application Number

10561820

Date Filed

January 25, 2005

Patent Primary Examiner

‌

Felisa Hiteshew

Patent abstract

[Problem] A silicon single crystal ingot in which point defect agglomerates do not exist over a substantially entire length thereof is manufactured without reducing a pure margin.

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